/Engine/Source/Editor/GraphEditor/Public/ConnectionDrawingPolicy.h
virtual void SetIncompatiblePinDrawState ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [SGraphPin](API\Editor\GraphEditor\SGraphPin) > & StartPin, const [TSet](API\Runtime\Core\Containers\TSet)< [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > > & VisiblePins )